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Thread: barrier() crashes on Intel HD Graphics 630 + Apple OpenCL 1.2

  1. #11
    Junior Member
    Join Date
    Feb 2017
    Posts
    14
    When I have a clean example to share I will post on the Intel forum and link here for reference. (No time yet to make that example)

    - - - Updated - - -

    Would you please clarify how I could identify a "very big" kernel?
    Whether or not this is the cause of the behavior that I encountered I would imagine that at some point (probably the worst possible) I will hit this issue.

  2. #12
    Senior Member
    Join Date
    Apr 2015
    Posts
    316
    Would you please clarify how I could identify a "very big" kernel?
    AMD has an analyzer that can show, i.e. number of spilled registers. In their case, any number besides zero basically means undefined behavior. Intel or Apple should have a similiar tool, though I don't know if it is free or not.

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